SINAI, SD Rate Center

SINAI — SD

Data last updated: June 25, 2026

LATA

640

State

Area Codes

Exchanges (NXX)

Carriers

Coordinates

44.24430613164504, -97.04030939004508

Area Codes

Carrier	OCN	NXX Count
INTERSTATE TELECOM COOP, INC. - SD	1651	1